Foolproof synonyms

fo͝ol'pro͝of'

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The definition of infallible is someone or something that is always perfect and right, without any errors or mistakes.

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Capable of being relied on; dependable:

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Actually in effect.

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That cannot be doubted, questioned, or disputed; absolutely true; certain

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goof-proof

proof against human misuse or error

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fool-proof (related)

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reliable (related)

Suitable or fit to be relied on; worthy of dependence or reliance; trustworthy

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That doesn't cause undue damage, in the event of failure.

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Certain to work

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thrive (related)

Designed so as to be impervious to human error or misuse

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goofproof

proof against human misuse or error

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straightforward (related)

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Able, or easily able to be depended on.

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straight-forward (related)

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Find another word for foolproof. In this page you can discover 15 synonyms, antonyms, idiomatic expressions, and related words for foolproof, like: unfailing, infallible, certain, effective, sure, goof-proof, , reliable, fail-safe, sure-fire and thrive.